You are just going in circles here.
You admit you have no clue about the Japanese judicial system, yet you are relying on it to be “fair”
Since you do not know the true story, you have no problem if they would be punished, and you feel you cannot pray for their freedom.
Why can’t you daven that (if they deserve a punishment) that it be given easily with minimal suffering. Why do you insist that the cruelty of a Japanese prison be “a just punishment”
Do us all a favour and learn about what you are talking about before you continue with this dialog.